When each eye sees very similar, but different versions of an image, the brain thinks it is seeing depth, or three dimensions.

VOA: special.2010.01.26

For most of us, we can go up to three dimensions because we know we live in a three-dimensional world.

对于大多数人来说,我们最多可以考虑三维,因为我们生活在一个三维世界

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And I think sometimes on the teeter-totter of each of those three dimensions were teetering where I wish we were tottering a little more as our products are more complicated.

我想有时这就像坐跷跷板,三个维度都在摇晃不定，无法抉择,比我们的产品生产还复杂一些。

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The reason there are three quantum numbers is we're describing an orbital in three dimensions, so it makes sense that we would need to describe in terms of three different quantum numbers.

我们需要，3个量子数的原因,是因为我们描述的是一个，三维的轨道，所以我们需要，3个不同的量子数,来描述它。

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